Flame arrester in continuous casting and rolling production line

The utility model discloses a flame arrester in a continuous casting and rolling production line, which comprises two connecting mechanisms (1) and a filtering flame arresting mechanism (2), each connecting mechanism comprises a flange (10), a hollow truncated cone (11) and a connecting ring (12), the flange (10) is positioned at one end with relatively small diameter of the hollow truncated cone (11), and the connecting ring (12) is positioned at the other end of the hollow truncated cone (3); the filtering fire-retardant mechanism (2) comprises a body (3), a pressing plate (4) and a filtering net (5), the body (3) comprises a connecting cylinder (13) and a partition plate (14), the partition plate (14) is located in the connecting cylinder (13), a plurality of through holes are machined in the partition plate (14), a plurality of through holes are machined in the pressing plate (4), and the partition plate (14), the filtering net (5) and the pressing plate (4) are sequentially connected; and the filtering f